---
title: "datetime_compare"
---

datetime_compare(t1, t2) compares t1-t2 and returns the diff in seconds

### Input

datetime.datetime, datetime.datetime

### Output

Integer, timedelta in seconds.

### Example

```yaml
actions:
  - name: trigger-slack
    condition:
      - type: threshold
    value: keep.datetime_compare(keep.utcnow(), keep.to_utc("{{ steps.this.results[0][0] }}"))
    compare_to: 3600 # seconds (1 hour)
    compare_type: gt # greater than


from datetime import datetime

def datetime_compare(t1: datetime, t2: datetime) -> int:
    """
    Compares two datetime objects and returns the time difference in seconds.

    :param t1: First datetime object
    :param t2: Second datetime object
    :return: Time difference in seconds
    """
    return int((t1 - t2).total_seconds())

# Example usage:
# t1 = datetime.utcnow()
# t2 = datetime.utcnow() - timedelta(hours=2)
# print(datetime_compare(t1, t2))  # Should return 7200 (2 hours * 3600 seconds)
```